ad_libmad.s

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· S 代码 · 共 722 行

.file	1 "ad_libmad.c"
.section .mdebug.abi32
.previous
.section	.text.func_table,"ax",@progbits
.align	2
.align	5
.globl	func_table
.ent	func_table
.type	func_table, @function
func_table:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lui	$2,%hi(mpcodecs_ad_libmad)
j	$31
addiu	$2,$2,%lo(mpcodecs_ad_libmad)

.set	macro
.set	reorder
.end	func_table
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"libmad: %d bytes processed\012\000"
.section	.text.read_frame,"ax",@progbits
.align	2
.align	5
.ent	read_frame
.type	read_frame, @function
read_frame:
.frame	$sp,48,$31		# vars= 0, regs= 7/0, args= 16, gp= 0
.mask	0x803f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-48
sw	$21,36($sp)
sw	$20,32($sp)
sw	$17,20($sp)
sw	$31,40($sp)
sw	$19,28($sp)
sw	$18,24($sp)
sw	$16,16($sp)
lw	$19,160($4)
move	$17,$4
addiu	$20,$19,13324
addiu	$21,$19,13388
$L4:
lw	$2,56($17)
lw	$5,52($17)
lw	$6,60($17)
lw	$4,4($17)
subu	$6,$6,$2
jal	demux_read_data
addu	$5,$2,$5

blez	$2,$L16
lw	$31,40($sp)

lw	$6,56($17)
addu	$6,$6,$2
sw	$6,56($17)
$L6:
lw	$5,52($17)
jal	mad_stream_buffer
move	$4,$20

move	$5,$20
jal	mad_frame_decode
move	$4,$21

lw	$3,13348($19)
move	$18,$2
beq	$3,$0,$L7
move	$5,$3

lw	$16,52($17)
lw	$2,56($17)
move	$4,$16
addu	$16,$16,$2
subu	$16,$16,$3
jal	memmove
move	$6,$16

lw	$7,56($17)
lui	$6,%hi($LC0)
addiu	$6,$6,%lo($LC0)
subu	$7,$7,$16
li	$4,12			# 0xc
jal	mp_msg
li	$5,7			# 0x7

sw	$16,56($17)
$L7:
beq	$18,$0,$L17
li	$2,1			# 0x1

lw	$3,13384($19)
beq	$3,$2,$L4
nop

j	$L6
lw	$6,56($17)

$L17:
lw	$31,40($sp)
lw	$21,36($sp)
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,48

$L16:
lw	$21,36($sp)
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,48

.set	macro
.set	reorder
.end	read_frame
.section	.text.init,"ax",@progbits
.align	2
.align	5
.ent	init
.type	init, @function
init:
.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
.mask	0x80030000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-32
sw	$17,20($sp)
sw	$31,24($sp)
sw	$16,16($sp)
lw	$16,160($4)
jal	read_frame
move	$17,$4

sw	$2,22656($16)
li	$5,2			# 0x2
li	$4,1			# 0x1
beq	$2,$0,$L21
move	$3,$0

lw	$2,13392($16)
lw	$3,13404($16)
movn	$4,$5,$2
sw	$4,36($17)
lw	$2,13408($16)
srl	$3,$3,3
sw	$3,44($17)
sw	$5,32($17)
sw	$2,28($17)
li	$3,1			# 0x1
$L21:
lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	init
.section	.text.control,"ax",@progbits
.align	2
.align	5
.ent	control
.type	control, @function
control:
.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
.mask	0x80010000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
sw	$31,20($sp)
sw	$16,16($sp)
sw	$7,36($sp)
li	$2,1			# 0x1
beq	$5,$2,$L28
lw	$16,160($4)

li	$2,2			# 0x2
beq	$5,$2,$L29
li	$3,-1			# 0xffffffffffffffff

lw	$31,20($sp)
lw	$16,16($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,24

$L28:
move	$4,$16
jal	mad_synth_init
sw	$0,22656($16)

jal	mad_stream_init
addiu	$4,$16,13324

jal	mad_frame_init
addiu	$4,$16,13388

li	$3,1			# 0x1
lw	$31,20($sp)
lw	$16,16($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,24

$L29:
jal	read_frame
nop

sw	$2,22656($16)
li	$3,1			# 0x1
lw	$31,20($sp)
lw	$16,16($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	control
.section	.text.uninit,"ax",@progbits
.align	2
.align	5
.ent	uninit
.type	uninit, @function
uninit:
.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
.mask	0x80030000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-32
sw	$31,24($sp)
sw	$17,20($sp)
sw	$16,16($sp)
lw	$16,160($4)
move	$17,$4
jal	mad_frame_finish
addiu	$4,$16,13388

jal	mad_stream_finish
addiu	$4,$16,13324

lw	$4,160($17)
lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	uc_free
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	uninit
.section	.text.preinit,"ax",@progbits
.align	2
.align	5
.ent	preinit
.type	preinit, @function
preinit:
.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
.mask	0x80030000,-8
.fmask	0x00000000,0
addiu	$sp,$sp,-32
sw	$17,20($sp)
move	$17,$4
sw	$16,16($sp)
sw	$31,24($sp)
.set	noreorder
.set	nomacro
jal	uc_malloc
li	$4,22672			# 0x5890
.set	macro
.set	reorder

move	$16,$2
li	$3,4			# 0x4
andi	$2,$2,0x3
subu	$3,$3,$2
li	$2,2			# 0x2
addiu	$6,$16,22672
.set	noreorder
.set	nomacro
beq	$3,$2,$L37
move	$4,$16
.set	macro
.set	reorder

li	$2,3			# 0x3
.set	noreorder
.set	nomacro
beq	$3,$2,$L38
li	$2,1			# 0x1
.set	macro
.set	reorder

beq	$3,$2,$L57
$L35:
addiu	$5,$4,-4
move	$2,$0
#APP
.word	0b01110000000000100000000001101111	#S32I2M XR1,$2
#NO_APP
andi	$3,$4,0x1f
.set	noreorder
.set	nomacro
beq	$3,$0,$L59
addiu	$2,$6,-31
.set	macro
.set	reorder

li	$2,-32			# 0xffffffffffffffe0
and	$2,$5,$2
addiu	$4,$2,32
sltu	$3,$5,$4
.set	noreorder
.set	nomacro
beq	$3,$0,$L59
addiu	$2,$6,-31
.set	macro
.set	reorder

$L51:
#APP
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$4
.set	noreorder
.set	nomacro
bne	$2,$0,$L51
addiu	$2,$6,-31
.set	macro
.set	reorder

$L59:
li	$3,-32			# 0xffffffffffffffe0
and	$3,$2,$3
sltu	$4,$5,$3
.set	noreorder
.set	nomacro
beq	$4,$0,$L60
addiu	$2,$6,-4
.set	macro
.set	reorder

addiu	$2,$5,4
$L61:
#APP
pref 30,0($2)
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$3
.set	noreorder
.set	nomacro
bne	$2,$0,$L61
addiu	$2,$5,4
.set	macro
.set	reorder

addiu	$2,$6,-4
$L60:
li	$3,-4			# 0xfffffffffffffffc
and	$3,$2,$3
sltu	$4,$5,$3
beq	$4,$0,$L44
$L53:
#APP
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$3
bne	$2,$0,$L53
$L44:
andi	$3,$6,0x3
li	$2,2			# 0x2
.set	noreorder
.set	nomacro
beq	$3,$2,$L48
addiu	$4,$5,4
.set	macro
.set	reorder

li	$2,3			# 0x3
.set	noreorder
.set	nomacro
beq	$3,$2,$L49
li	$2,1			# 0x1
.set	macro
.set	reorder

beq	$3,$2,$L58
$L46:
sw	$16,160($17)
.set	noreorder
.set	nomacro
jal	mad_stream_init
addiu	$4,$16,13324
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
jal	mad_frame_init
addiu	$4,$16,13388
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
jal	mad_synth_init
move	$4,$16
.set	macro
.set	reorder

li	$2,4096			# 0x1000
li	$3,9216			# 0x2400
sw	$2,48($17)
sw	$3,64($17)
lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
li	$2,1			# 0x1
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,32
.set	macro
.set	reorder

$L48:
sb	$0,4($5)
.set	noreorder
.set	nomacro
j	$L46
sb	$0,1($4)
.set	macro
.set	reorder

$L37:
addiu	$4,$16,2
sb	$0,0($16)
.set	noreorder
.set	nomacro
j	$L35
sb	$0,1($16)
.set	macro
.set	reorder

$L49:
sb	$0,6($5)
sb	$0,4($5)
.set	noreorder
.set	nomacro
j	$L46
sb	$0,5($5)
.set	macro
.set	reorder

$L38:
addiu	$4,$16,3
sb	$0,0($16)
sb	$0,1($16)
.set	noreorder
.set	nomacro
j	$L35
sb	$0,2($16)
.set	macro
.set	reorder

$L58:
.set	noreorder
.set	nomacro
j	$L46
sb	$0,4($5)
.set	macro
.set	reorder

$L57:
addiu	$4,$16,1
.set	noreorder
.set	nomacro
j	$L35
sb	$0,0($16)
.set	macro
.set	reorder

.end	preinit
.section	.text.decode_audio,"ax",@progbits
.align	2
.align	5
.ent	decode_audio
.type	decode_audio, @function
decode_audio:
.frame	$sp,56,$31		# vars= 0, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-56
sw	$22,40($sp)
sw	$21,36($sp)
sw	$20,32($sp)
sw	$18,24($sp)
sw	$31,52($sp)
sw	$fp,48($sp)
sw	$23,44($sp)
sw	$19,28($sp)
sw	$17,20($sp)
sw	$16,16($sp)
move	$22,$4
move	$20,$6
move	$18,$5
move	$21,$7
blez	$6,$L63
lw	$16,160($4)

slt	$2,$7,4608
bne	$2,$0,$L63
li	$2,268369920			# 0xfff0000

ori	$19,$2,0xffff
move	$17,$0
li	$23,-268435456			# 0xfffffffff0000000
j	$L66
move	$fp,$19

$L67:
move	$4,$16
$L83:
sw	$0,22656($16)
jal	mad_synth_frame
addiu	$5,$16,13388

addiu	$3,$16,4100
lhu	$4,4($3)
lhu	$6,6($3)
sll	$2,$4,1
mul	$9,$6,$2
li	$2,2			# 0x2
addu	$17,$17,$9
beq	$4,$2,$L81
addiu	$8,$16,4108

addiu	$5,$18,2
li	$7,-1			# 0xffffffffffffffff
li	$11,-268435456			# 0xfffffffff0000000
move	$12,$19
li	$10,268435456			# 0x10000000
$L73:
addiu	$6,$6,-1
bne	$6,$7,$L82
slt	$2,$17,$20

$L84:
beq	$2,$0,$L69
addiu	$2,$17,4608

slt	$2,$21,$2
bne	$2,$0,$L69
addu	$18,$18,$9

$L66:
lw	$2,22656($16)
bne	$2,$0,$L83
move	$4,$16

jal	read_frame
move	$4,$22

bne	$2,$0,$L67
sw	$2,22656($16)

$L69:
beq	$17,$0,$L63
move	$2,$17

lw	$31,52($sp)
lw	$fp,48($sp)
lw	$23,44($sp)
lw	$22,40($sp)
lw	$21,36($sp)
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,56

$L82:
lw	$2,0($8)
addiu	$8,$8,4
addiu	$2,$2,4096
slt	$3,$2,$11
movn	$2,$11,$3
slt	$4,$2,$10
movz	$2,$12,$4
sra	$2,$2,13
sh	$2,-2($5)
j	$L73
addiu	$5,$5,2

$L63:
li	$17,-1			# 0xffffffffffffffff
move	$2,$17
lw	$31,52($sp)
lw	$fp,48($sp)
lw	$23,44($sp)
lw	$22,40($sp)
lw	$21,36($sp)
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,56

$L81:
addiu	$10,$18,4
addiu	$7,$16,8720
$L72:
addiu	$6,$6,-1
li	$2,-1			# 0xffffffffffffffff
beq	$6,$2,$L84
slt	$2,$17,$20

lw	$2,0($8)
lw	$3,-4($7)
addiu	$2,$2,4096
addiu	$3,$3,4096
slt	$4,$2,$23
slt	$5,$3,$23
movn	$3,$23,$5
movn	$2,$23,$4
li	$5,268435456			# 0x10000000
slt	$4,$2,$5
slt	$5,$3,$5
movz	$2,$fp,$4
movz	$3,$fp,$5
sra	$2,$2,13
sra	$3,$3,13
sh	$2,-4($10)
sh	$3,-2($10)
addiu	$8,$8,4
addiu	$7,$7,4
j	$L72
addiu	$10,$10,4

.set	macro
.set	reorder
.end	decode_audio
.globl	mpcodecs_ad_libmad
.data
.align	2
.type	mpcodecs_ad_libmad, @object
.size	mpcodecs_ad_libmad, 24
mpcodecs_ad_libmad:
.word	info
.word	preinit
.word	init
.word	uninit
.word	control
.word	decode_audio
.section	.rodata.str1.4
.align	2
$LC1:
.ascii	"libmad mpeg audio decoder\000"
.align	2
$LC2:
.ascii	"libmad\000"
.align	2
$LC3:
.ascii	"A'rpi\000"
.align	2
$LC4:
.ascii	"libmad...\000"
.align	2
$LC5:
.ascii	"based on Xine's libmad/xine_decoder.c\000"
.data
.align	2
.type	info, @object
.size	info, 20
info:
.word	$LC1
.word	$LC2
.word	$LC3
.word	$LC4
.word	$LC5
.ident	"GCC: (GNU) 4.1.2"